Wall-paper pasting and trimming apparatus.



W. J.'DUNN & H. B. TAYLOR.

WALL PAPER PASTING AND TRIMMING APPARATUS.

APPLICATION FILED JAN.28, 191a.

Patented Mar. 16, 1915.

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W. J. DUNN 8; H. B. TAYLOR.

WALL PAPER PASTING AND TRIMMING APPARATUS.

APPLICATION FILED JAN. 28, 1913.

1,131,685. Patented Mar.16,1915.

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IINITED %TATE PATENT @FFIQE.

WILLIAM J. DUNN AND HENRY B. TAYLOR, OF MONTREAL, QUEBEC, CANADA.

WALL-PAPER PASTING AND TRIMMING APPARATUS.

Specification of Letters Patent.

Patented Mar. 16, 1915.

Application filed January 28, 1913. Serial No. 744,870.

To all whom it may concern:

Be it known that we, WILLIAM J. DUNN and Hexmr B. TAYLOR, both sub'ects of the King of Great Britain, and resi cuts of the 5 city of Montreal, in the Province of Quebec and Dominion of Canada, have invented certain new and useful Improvements in 'Wall-Paper Pasting and Trimming Apparatus, of which the following is a full, clear, and exact description.

This invention relates to improvements in apparatus for trimming and pasting wall paper and the like, and the object is to provir e a machine which will quickly and accurately trim and apply aste to the paper in a thin even layer, an deliver the same in convenient position for application to the surface to be covered.

A further object is to rovide a device of this character which will e simple and compact and may be readily transported from point to point without any danger of breakage.

A still further object is to provide an ap- 5 paratus which may be erected from its knock-down transportation condition into an operable machine in a minimum of time.

Another object is to provide improved means for matching the pasted paper with a lixed sample thereof in order to determine the proper cutting off point.

Further objects and advanta es of subsidiary importance. will be readily understood from the following descri tion by 5 those skilled in the art to which tile invention relates.

The device consists essentially of a paper pasting and trimming device substantially as disclosed in our former Patents, Nos. 1,040,452; 1,046,744; and 1,045,826, mounted upon a hollow base which is provided with casters or rollers, so that it may be easily shifted around a room. The pasting and trimming device is connected to this base 5 by means of a suitable link motion, so that for trimsportation, the device may be lowered into the base which is then closed by a suitable cover. Improved means are provided for regulating the sup ly and distribution of paste and also or trimming and adjusting the paper. Furthermore, im-

roved and simplified means are provided or matching the pattern of the pasted paper with the pattern of a sample rigidly fixed in the machine, in order that all strips of paper may match at one end with the sample and therefore with one another.

In the drawings which illustrate the invention, and throughout all the figures of which similar numerals refer to corresponding parts :-Figure 1 is a general side elevation of the device in operative position, and showing in dotted lines the arrangement for transportation. Fig. 2 is a side elevation of the pasting and trimmin device. Fig. 3 is a similar view showing tie opposite side of the pasting and trimming device. Fig. 4 is a vertical sectional view on the line 4l, through the center of the pasting and trimming device. Fig. 5 is a plan view of the pasting and trimming device. Fig. 6 1s an enlarged detail view of the aper holding and trimming mechanism. Fig. 7 is an enlarged detail view of one of several removable roll pivots. Fig. 8 is a perspective view of one of the edge scrapers.

Referring more particularly to the drawings, 11 designates a rectangular box or base mounted upon casters 12 so as to be readily movable from room to room, and having one side 13 thereof hinged adjacent the bottom. The top 14 is hinged to the movable side so that the top and one side of the base may be opened to facilitate the insertion and removal of the pasting and trimming device. At a suitable point on the pasting and trimming device a transverse rod 15 is provided, on which a pair of links 16 are pivotally mounted one at each side of the machine. These links are also pivoted to brackets 17 secured within the base 11. As will be readily seen from Fig. 1 of the drawin 5, this link motion allows the pasting an trimming device to be raised out of the base and then moved horizontally to a position of rest on the base, where it is held by a brace 18 hin ed at one end to the base and engaging at t ie other end with the rod 15. The front of the pasting and trimmiu device is supported by arms 19 pivoted within the base and engageable with suitable studs 20 on the pasting and trimming device.

The pasting and trimmin of a. pair of similar side p ates .21 rigidly space apart by a plurality of stay bolts 22, certain of which are so located as to support a paste reservoir 23, within which is device consists mounted a revoluble roller 24. The paper asses into the machine between a pair of eed rolls 25 which are provided at their ends with paper edge trimmers 26, shown in detail in Fig. 6. The trimmed paper then passes under the paste reservoir over an idler roll 27 and rearwardly over the paste roll 24 around an idler roll 28, and then forwardly and out of the machine between the discharge rolls 29 and 30. A suitable idler roll 31 is inserted to prevent the forwardly moving pasted paper from dragging over the rearwardly moving unpasted paper, and thus unnecessarily increasing the load on the machine. The upper discharge roll 29 is provided with a plurality of knurled paper engaging collars, while the lower roll 30 is plain, the object of thus reducing the surface of the upper roll being to disturb the paste on the paper as little as possible. After leaving the discharge rolls, the paper passes through a manually operated transverse cutting device 32 and on to a grid or rack 33.

A. strip 34 of smooth dressed canvas or other suitable material is releasably attached at one end to the front of the rack 33 and at the opposite end to a cross bar 35 which is held extended in front. of the machine by a jointed rod 36, one end of whichais' secured to the cross bar 35 and the other end of which rests in a suitable socket 37 on the front 13 of the base 11. The pasted paper passes easily over this smooth apron 34 and is in convenient position for lifting to the wall or ceiling.

As the paste required is in many instances very thick and heavy, it is obvious that the roll 24 will usually bring up much more paste than is required for application to the paper. In order to limit the supply of paste, a scraper is provided consisting of a triangular bar 38 pivoted about its longitudinal axis and provided with adjusting and.

the side frames 21. Suitable springs 42 are provided to depress the roller 42 and hold itin close engagement with the paper, as it passes over the idler 28. This rolling out of the paste as the paper passes under .the roller 41 produces a substantially equaldistribution, any superfluity of paste naturally moving to the edges of the paper. As this superfluous paste would squeeze out when the paper was applied to the wall and. soil the pattern side, a pair of scrapers 43 are provided. These scrapers each consist of a flat sheet of metal bent to the form shown in Fig. 8 and pivotally mounted at one end upon a sleeve 44 adjustable on a shaft v45.

The opposite end of the scraper is provided with a slot 46 through which the paper slides, the edge 47 which is at an obtuse angle to the edge of the paper scraping suthan the rolls immediately preceding. To

accomplish this, apositive gear connection between the rolls is necessary Rotary motion is imparted to a driving gear 49 by means of a manually operated crank 50. T hegear 49 meshes with a pinion 51 on the lower feed roll 25,- and therefore rotates this roll. At the opposite ends, the rolls 25 are connected by gears 52, which in turn drive the large gear 53 on the paste roll 24 through an idler 54. Fixed to the pinion 51 is a chain wheel 55 which drives similar chain Wheels 56 and 57, secured respectively to the rolls 28 and 30, by means of achain 58. The roller 28 is provided with a small pinion 59 which meshes with a similar pinion 60 secured to the roll 41, when the roll is held in operative position. The opposite end of the roll 30 is connected by gears 61 with the roll 29. Immediately in the rear of the rolls 29 and 30 is a roll 62 and shaft 63 carrying cutters 64 cooperating with the rolls 62. his roll and shaft are connected by gears 65, the lower of which meshes with the lower of the gears 61.

The paper roll 66 is supported from a rod 67 by means of links 68, the lower ends of which are provided with revoluble tapered trunnions 69. Oneof these trunnions is also slidably mounted in a housing 70 carried by the link, so that it may be withdrawn to permit the insertion of a fresh roll of paper. When released, a spring 71 forces the trunnion into the roll so that it is securely held. Unless great care is taken it is not always possible to insert the roll exactly in line with the edge trimming cutters 26, so that lateral adjustment is usually necessary in order to have the gutters remove only the blank margin of the paperl This is accomplished by leaving the rod 67 slidable in the frames 21 i and threading one end of it so as to coiiperate with the nut .72 mounted. in a slot 73 in one of the frames 21. By rotating the nut 73, the entire paper carrier may be moved laterally to aline the paper roll with the cutvent a strip of paper being carelessly. run

entirely through the machine so that its end cannot be readily attached to the beginning of the next strip, an automatic lock is provided which consists of a gravity pawl pivoted so as to engage the lower gear 52 of the feed rolls 25. This pawl is normally held up and out of engagement with the gear by a small roller 76 which rests on the paper. Thus, it will be obvious that when the end of the strip is reached or if the paper tears, the support of the pawl is with drawn and it immediately drops and locks the gears so that the machine is stopped before the end of the paper strip passes the plate 74. This device also maintains the proper tension of the paper in the machine as the end of the strip is never released.

The trimming cutters each consist of a pair of cooperating disks 26 and 26 slidably mounted at the ends of the feed roll spindles. The disk 26 is frusto-conical and is the real cutting member, the disk 26 be ing merely a counter to hold the paper up to the edge of the disk 26. The disk 26 is provided with a tapered split shank 77 very finely screw threaded to cooperate with a tapered threaded finger nut 78. Obviously, when the nut is screwed up, it compresses the shank '77 and holds the cutter rigid. The counter 26 is loose on the lower roll spindle and pressed against the cutter 26 by the spring 79, which is slightly compressed between the counter 26 and a collar 80 clamped at any suitable point on the spindle by a cam 81.

In order to quickly and easily remove such parts of the device as the rolls 24, 28 and 41, sliding pivots are provided for one end of each of these rolls, the opposite end of each roll being provided with a fixed pivot or socket engaging the supporting member. The sliding pivots each consist of a pin 82 having a split 83 extending a suitable distance from one end of the pin, which end is threaded for the reception of a paper threaded nut 84:. A small pin 85 is mounted in the bearing member and passes through the slot 83, thus holding the pin 82 against revolution. When the nut 84 is loosened, the pin may be moved longitudinally to disengage the roll, but when the pin is in engagement with the roll and the nut is tight ened up, it compresses the split pivot so that it grips the pin 85 and is held against longitudinal movement.

In order to easily and accurately determine the proper cutting'ofi' point for each strip of pasted paper, a sample of paper is secured pattern side down on the rack 33, and the pattern of the first strip cut out brought into register with this sample. In order to conveniently match the patterns which show only from beneath the machine a mirror 86 is hingably secured to one of the frames 21, so that it may be tilted to any convenient angle and will enable the operator to see the pattern on the underside of the paper without stooping. It is axiomatic that after the necessary length of all succeeding strips is run through the machine, the strip is moved on until its pattern registers with the pattern of the sample, the pattern of these succeeding strips will match exactly with the pattern on the first strip cut. v

Having thus described our invention, what we claim is i 1. In a device of the character described, a casing, a paper pasting and'trimming de vice within said casing flexibly connected thereto, means for supporting the pasting and trimming device above the casing, a paper supporting apron, and tensioning means for said apron extending between the free end thereof and the casing.

2. In a device of the character described, a casing having three sides and the bottom thereof rigid, a fourth side hinged to the bottom and a cover hinged to the fourth side, a paper pasting and trimming device within the casing, links supporting the easwhereby the pasting and trimming device may be withdrawn from the casing, supports pivotally connected to the casing arranged to hold the pasting and trimming device in its withdrawn position, a paper supporting apron securable at one end to the pasting and trimming device, and a support for the opposite end of said apron connected to the casing and arranged to tensioff the apron by the force of gravity.

3. In a device of the character described, a casing, a framework flexibly connected to the casing, a paper pasting means, means for feeding the paper through said pasting means, a scraper having an inclined edge engaging the pasted surface of the paper adjacent its edges, and a trough carried by the scraper under said scraping edge arranged to receive paste removed from the paper edges and return it to the pasting device.

4. In a device of the character described, a casing, a paper pasting and trimming device fiexibly connected to said casing, a plurality of paper feeding rolls mounted in said pasting and trimming device, each of said rolls having a pivot at one end and a recess at the opposite end, a split pin slidably ing with the pasting and trimming devicemounted in the pasting and trimming device In witness whereof we have hereunto set insertible in said recess, a pin carried by the our hands in the presence of two witnesses.

pasting and trimming device traversing the WILLIAM J. DUNN.

split of said first pin in transverse direc- HENRY B. TAYLOR. & tron, and means for clamping the split pin Witnesses:

around said second pin to hold the split pin STUART R. W. ALLEN,

rigidly. G M MORELAND. 

